LEED Green Associate exam 2024-2025 questions and answers A LEED 2009-certified building must use at least ___% less water indoors than a baseline water use calculated for the building. - ANSWER>>20% What kind of materials should be used for the envelope of a building in a hot/dry climate? - ANSWER>>Hot/Dry: Materials with a high thermal mass-adobe and masonry List two ways insluation could be added to an existing building. - ANSWER>>Add EIFS (exterior insulation and finish system) on the outside of the current building skin. Add blown-in insulation in the wall cavities and seal any points where air infiltration has been identified. What are the three tiers of LEED AP designation? - ANSWER>>LEED Green Associate LEED AP with Specialty LEED AP Fellow What is thermal bridging? - ANSWER>>Heat transfer to the inside or outside (or vice versa) via the building envelope. What are the main advantages and disadvantages of using steel in building construction? - ANSWER>>Advantages: impervious to termites, added resistance to fire and earthquake, and they can span greater distances Disadvantages: conducts heat 300x faster than wood (they can create thermal bridges to the outside of the building) and by adding the additional insulation, it might reduce the cost-effectiveness.